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National Stock Number:
4820-01-004-8464
Federal Supply Class:
4820
National Item Identification Number:
010048464
Description:
VALVE,STOP-CHECK
Detail:
A VALVE WITH A BOLT OR STEM THAT MAY BE MECHANICALLY ACTUATED TO TWO DIFFERENT POSITIONS BY ROTARY OR LINEAR MOTION. IN THE FIRST POSITION, THE VALVE DISK IS LOCATED AND LOCKED AGAINST THE SEAT PERMITTING NO FLUID FLOW THROUGH THE VALVE. IN THE SECOND POSITION, ONE SIDE OF THE VALVE DISK IS LOCATED AGAINST THE SEAT PERMITTING MOVEMENT OF THE DISK IN A MANNER THAT WILL ALLOW A FLOW OF FLUID IN ONE DIRECTION THROUGH THE VALVE. THE VALVE DISK MAY BE SPRING LOADED. IT MAY BE INLINE OR CARTRIDGE (MANIFOLD) DESIGN. SEE ALSO VALVE (1), LIFT-CHECK AND VALVE (1), STOP-LIFT-CHECK.
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Manufacturer Information:
| 37459S/A | 96046 | CRANE PUMPS & SYSTEMS PFT CORP |
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Techincal Specification:
| BOLT CIRCLE NOMINAL DIAMETER | 5.865 INCHES 2ND END | | BOLT CIRCLE NOMINAL DIAMETER | 6.385 INCHES 1ST END | | BONNET ATTACHMENT METHOD | INTEGRAL | | BONNET TYPE | EXPOSED SPRING | | BOLT HOLE NOMINAL DIAMETER | 0.375 INCHES 1ST END | | BOLT HOLE NOMINAL DIAMETER | 0.406 INCHES 2ND END | | BOLT HOLE QUANTITY | 8 ALL ENDS | | CONNECTION TYPE | FLANGE ALL ENDS | | DISK LOADING METHOD | SPRING | | FACE TO FACE DISTANCE | 7.843 INCHES | | FLANGE FACE DESIGN | PLAIN ALL ENDS | | FLANGE SHAPE | ROUND WITH HOLES ALL ENDS | | FLOW CONTROL DEVICE | DISK | | MATERIAL | ALUMINUM ALLOY OVERALL | | MOUNTING POSITION | HORIZONTAL OR VERTICAL | | NOMINAL OUTSIDE DIAMETER | 6.835 INCHES 2ND END | | NOMINAL OUTSIDE DIAMETER | 7.800 INCHES 1ST END | | NOMINAL THICKNESS | 0.500 INCHES ALL ENDS | | STYLE DESIGNATOR | STRAIGHT THRU FLANGED ENDS | | VALVE OPERATION METHOD | MANUAL | | VALVE SIZE | 4.000 INCHES |
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